\begin{small}
\pstree{\Toval{(1)0}}{
    \Toval{\begin{tabular}{c}
        (1) 17\\ \#FFFFFF\end{tabular}}

    \pstree{\Toval{(2)11}}{
        \Toval{\begin{tabular}{c}
            (1) 12\\ \#000000\end{tabular}}

        \Toval{\begin{tabular}{c}
            (3) 13\\ \#FFFFFF\end{tabular}}

    }

    \Toval{\begin{tabular}{c}
        (3) 18\\ \#FFFFFF\end{tabular}}

    \pstree{\Toval{(4)14}}{
        \Toval{\begin{tabular}{c}
            (1) 15\\ \#000000\end{tabular}}

        \Toval{\begin{tabular}{c}
            (3) 16\\ \#000000\end{tabular}}

    }

}
\end{small}
